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WC68 Operator’s Manual

REPLACING THE HYDRAULIC PUMP BELT

Check the condition and tension of the hydraulic pump belt after every 30 hours of operation.  If
the  infeed  roller  is  not  rotating,  or  it  is  rotating  slowly,  the  belt  could  be  slipping.   A  squealing
noise  may  also  be  heard.    In  either  case,  these  conditions  can  occur  due  to  a  worn  belt  or
improper belt tension (see the previous section,

“Adjusting the Hydraulic Pump Belt Tension.”

)

To replace a worn belt, follow the steps below:

1. If installed, disconnect the PTO shaft from the wood chipper for safety.

2. Using a 13 mm wrench, loosen the lower M8 hex nut that secures the eyebolt to the

steel bracket until sufficient tension has been removed from the spring allowing it to be
unhooked from the belt tensioner. The belt tensioner can now be swung up out of the
way allowing for removal of the belt from the pulleys.

3. Install the new belt around the pulleys first and then reinstall the spring. Re-tension the

spring by tightening the lower M8 hex nut on the eyebolt. Refer to the previous section,

“Adjusting the Hydraulic Pump Belt Tension.”

for instructions on how to properly re-

tension the belt.

WC68-MY2019: Rev A

Page

of

35

49

27-Sep-2018

Loosen lower

M8 hex nut

Unhook spring from

belt tensioner once

sufficiently loose

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Summary of Contents for WC68 PTO

Page 1: ...OPERATOR S MANUAL WC68 MY2019 Rev A Publication Date 27 Sep 2018 WC68 PTO WOOD CHIPPER ...

Page 2: ..._____________________ 2 UNPACKING 14 ____________________________________________________ A UNBOXING THE CRATE 14 ___________________________________________ 3 INFEED CHUTE 15 __________________________________________________ A TOP PANEL 15 ______________________________________________________ B SIDE PANELS AND BOTTOM PANEL 16 ________________________________ C EDGE BAR 17 ______________________...

Page 3: ...HOOTING 38 __________________________________________ PARTS LIST 39 __________________________________________________ EXPLODED ASSEMBLY VIEWS 42 __________________________________ COMPLETE ASSEMBLY 42 ______________________________________________ BASE 43 _____________________________________________________________ LOWER FLYWHEEL HOUSING 44 ________________________________________ FLYWHEEL 45 __...

Page 4: ...ular application DO NOT use the machine until you have first contacted us to determine if it can or should be performed on the product For technical questions and replacement parts please contact Woodland Mills Inc INTENDED USE Woodland Mills wood chippers are designed for acreage owners to aid in chipping natural untreated wood only Materials that are processed may contain chemicals or by product...

Page 5: ...n catch a branch that is feeding into the wood chipper DO NOT stand directly in front of the infeed chute when loading material into the hopper always load from the side of the hopper This will help prevent any part of your body from being pulled into the machine Always wear safety hearing protection eye wear gloves and long pants when operating the wood chipper Never place your hands beyond the o...

Page 6: ...t to power a 540 RPM implement at speeds higher than 540 RPM Do not install any adapter device that results in a portion of the rotating implement shaft tractor shaft or the adapter to be unguarded The tractor master shield shall overlap the end of the splined shaft WC68 MY2019 Rev A Page of 5 49 27 Sep 2018 The warnings cautions and instructions discussed in this instruction manual cannot cover a...

Page 7: ...tandards or when needed a face shield Use a dust mask in dusty work conditions This applies to all persons in the work area Also use non skid safety shoes a hardhat gloves dust collection systems and hearing protection when appropriate Do not over reach Keep proper footing and balance at all times Remove adjusting keys or wrenches before connecting to the power supply or turning on the tool A wren...

Page 8: ...rating a power tool Distractions can cause you to lose control therefore visitors should remain a safe distance from the work area Be aware of all power lines electrical circuits water pipes and other mechanical hazards in your work area particularly those hazards below the work surface hidden from the operator s view that may be unintentionally contacted and cause personal harm or property damage...

Page 9: ...e in accordance with the recommended procedures found in this manual If abnormal vibration or noise occurs turn the wood chipper off immediately and have the problem corrected before further use Keep blades sharp and clean Properly maintained wood chipper blades are less likely to bind and make feeding in brush easier Cleaning and Lubrication Use only soap and a damp cloth to clean your wood chipp...

Page 10: ...f contained PTO Shear Bolt M8 X 45 mm Hex Bolt Class 8 8 Grade 5 Blade Quantity and Dimensions Four 4 8 62 X 2 72 X 5 16 219 X 69 X 8 mm Blade Hardware M10 X 35 mm Flat Head M10 Lock Nuts Class 10 9 Infeed Roller Diameter 7 1 4 185 mm at Tooth Tip Infeed Chute Dimensions 26 X 24 660 mm x 610 mm Product Weight 710 lb 322 kg Product Shipping Weight 800 lb 363 kg WC68 MY2019 Rev A Page of 9 49 27 Sep...

Page 11: ...WC68 Operator s Manual i OVERALL DIMENSIONS OPERATING STATE WC68 MY2019 Rev A Page of 10 49 27 Sep 2018 1850 72 13 16 1735 68 5 16 1373 54 1 16 ...

Page 12: ...hute must be rotated so that it is facing forward in order to allow room for the infeed chute to be flipped upward when the machine is in its stored state See section Storage for more information WC68 MY2019 Rev A Page of 11 49 27 Sep 2018 1435 56 1 2 1765 69 1 2 970 38 3 16 ...

Page 13: ...egory 1 system design to work with tractors in the horsepower range of 20 50 hp Top link pin is 19 mm diameter and the lift arm pins are 22 mm diameter WC68 MY2019 Rev A Page of 12 49 27 Sep 2018 405 15 15 16 418 16 7 16 469 18 7 16 100 3 15 16 559 22 66 2 5 8 657 25 7 8 773 30 7 16 58 2 5 16 ...

Page 14: ...g the PTO Shaft section for more detail Tool Specification Wrench Socket 13 mm 2X Wrench Socket 16 mm 2X Wrench Socket 17 mm Wrench Socket 24 mm or Adjustable Wrench Wrench 27 mm or Adjustable Wrench Hex Key 6 mm Hacksaw Any metal cutting saw Sawzall etc WC68 MY2019 Rev A Page of 13 49 27 Sep 2018 ...

Page 15: ...t each bottom corner of the crate and then lift it off the skid Discard the crate Remove all the loose components from the skid infeed chute panels control arm edge bar control arm linkage discharge chute PTO shaft hardware boxes and set them to the side Use the tractor s 3 point hitch system to lift the wood chipper off the skid and set it on the ground Discard the skid WC68 MY2019 Rev A Page of ...

Page 16: ... housing that forms the hinge Using the hardware listed in the table below assemble the hinge connection with a 16 mm shoulder bolt and 17 mm lock nut socket wrench Note that the infeed chute top panel and hinge bracket come pre assembled from the factory 2x M10 X 15 X 20 mm Shoulder Bolt 6x M12 Nylon Flat Washer 2x M10 Lock Nut 1x Infeed Chute Top Panel WC68 MY2019 Rev A Page of 15 49 27 Sep 2018...

Page 17: ... last holes empty Do not fully tighten the screws Be sure to assemble the screws with the heads on the inside of the chute pointing outwards Next install the bottom panel using only the first two 2 bolts as shown below right This will allow it to swing up to join the side panels in the coming steps Note that the infeed chute bottom panel and latches come pre assembled from the factory 6x M8 X 16 m...

Page 18: ...dge eliminating branches from getting caught on the edge of the infeed panels To install the edge bar swing the bottom panel up as shown below and fit the tabs over the outside of the panels There are two tabs on the side of the round edge bar which will be bolted to the side panels in a later step WC68 MY2019 Rev A Page of 17 49 27 Sep 2018 ...

Page 19: ...rench for the lock nuts Install the remaining thirteen 13 M8 X 16 mm button head screws M8 lock nuts and M8 X 30 mm fender washers as shown below to secure the panels and edge bar in place Do not fully tighten the screws 13x M8 X 16 mm Button Head Screw 13x M8 X 30 mm Fender Washer 13x M8 Lock Nut 1x Infeed Chute Round Edge Bar WC68 MY2019 Rev A Page of 18 49 27 Sep 2018 4x Both Sides ...

Page 20: ...17 mm socket wrench for the lock nuts The screws pass through the panel through the round edge bar side tabs and through the control handle tabs as shown below With all of the infeed panel edge bar and control arm screws now loosely assembled tighten all the screws securely 2x M10 X 25 mm Button Head Screw 2x M10 Flat Washer 2x M10 Lock Nut 1x Control Arm WC68 MY2019 Rev A Page of 19 49 27 Sep 201...

Page 21: ...ge bar is oriented properly so that the coarsely threaded end is used see below left Using two 2 17 mm wrenches sockets fasten the rod end bearing to the red control arm with the M10 X 35 mm hex bolt and M10 lock nut 1x M10 X 35 mm Hex Bolt 1x Rod End Bearing 1x M10 Lock Nut 1x Control Arm Linkage Bar 1x M10 Jam Nut Coarse Thread 1x Clevis Rod End 1x M10 X 1 25 Jam Nut Fine Thread 1x 10 mm Clevis ...

Page 22: ... the linkage bar Secure the linkage to the the hydraulic directional control valve actuator using the clevis pin and hairpin cotter pin Use a 17 mm wrench to tighten both jam nuts once the linkage has been assembled WC68 MY2019 Rev A Page of 21 49 27 Sep 2018 M10 X 1 25 Jam Nut Fine Thread Tighten both linkage M10 jam nuts ...

Page 23: ...n the discharge chute assembly to the upper flywheel housing With a 13 mm wrench socket connect the chute using four 4 M8 X 14 mm hex bolts M8 lock washers and M8 X 30 mm fender washers as shown below 4x M8 X 14 mm Hex Head Bolt 4x M8 X 30 mm Fender Washer 4x M8 Lock Washer 1x Discharge Chute Assembly WC68 MY2019 Rev A Page of 22 49 27 Sep 2018 ...

Page 24: ...mounts to the tractor 1 Attach the wood chipper to the tractor s 3 point hitch system Do not install the PTO shaft 2 Raise the wood chipper as high as the tractor s 3 point hitch will allow Note that the tractor shaft and the wood chipper shaft will likely not align regardless of the vertical position of the 3 point hitch This is normal 3 Measure the straight line distance between the locking groo...

Page 25: ...trim B A 1 inch C Amount to Trim 7 Once C has been calculated trim that amount from BOTH halves of the PTO shaft safety cover first then trim the same amount from both shafts This will ensure the safety cover on each end remains a few inches back from the ends of the shafts otherwise PTO shaft reassembly could be difficult 8 After trimming both halves of the PTO shaft use a file to remove any burr...

Page 26: ... out one click to ensure the infeed roller is in the neutral position g Start the tractor engine and hold the engine RPM s at a strong idle Engage the PTO slowly If the tractor is running at a high speed when the PTO is engaged you could damage the hydraulic pump belt or break the shear bolt on the PTO shaft After the rotor is spinning freely increase the tractor RPM s until the PTO speed is 540 R...

Page 27: ...al and reverse by pushing or pulling the red control arm The forward position pulls branches into the wood chipper neutral stops the roller from rotating and reverse pushes the branches back out the wood chipper towards the operator The diagram below illustrates the 3 positions To change the speed of the infeed roller place the red control arm in the neutral position This stops the infeed roller f...

Page 28: ...te it to the desired position and then twist the locking pin back 90 so that it extends into the closest locking hole to secure the chute in position The chip deflector easily adjusts to regulate the distance the chips are thrown Rotate the handle counterclockwise to loosen the deflector adjust the deflector to the desired angle then re tighten the handle by rotating it clockwise to secure the def...

Page 29: ...k or branch Do not use hand tools to push brush into the wood chipper They can go through the wood chipper and cause injury or damage to the wood chipper Place branches butt end first into the wood chipper infeed chute until it contacts the infeed roller Once the infeed roller makes contact with the branches it will pull the material inwards NOTE The wood chipper blades dull with use and require p...

Page 30: ...securing the upper and lower housings together 3 With the flywheel exposed manually rotate it so that one of the four 4 locking holes in the flywheel near the front of the blade approximately lines up with the flywheel lock pin at the rear of the housing Remove the small locking pin from the flywheel lock pin and flip the flywheel lock pin around 180 passing it through the housing and into the loc...

Page 31: ...owing either the original wood chipper purchase or a recent blade sharpening the blades can be reversed to utilize the other cutting edge Or the entire blade can be removed and sharpened or it can be replaced with a new blade Torque the M10 X 35 mm flat head bolts to 40 45 ft lb 54 60 N m when installing blades Always replace the M10 lock nuts with a new set when changing or reversing blades Refer...

Page 32: ...ill likely yield poor results if not used properly If sharpened quickly or aggressively on a bench grinder the blade edge can get too hot and change colour thus removing the heat treating properties from the steel Use short grinding times and cool frequently with water Remove an equal and consistent amount of material from each blade to maintain proper balance when reassembled to the flywheel 3 Re...

Page 33: ...ce and or clogging 1 If installed disconnect the PTO shaft from the tractor for safety 2 Open the upper flywheel housing using a 24 mm socket wrench by removing the M16 X 40 mm bolt and flat washer securing the upper and lower housings together 3 With the flywheel exposed manually rotate it so that the first blade lines up with the bed plate and note the gap between them Use a flash light for bett...

Page 34: ... 1 16 1 8 1 5 3 0 mm of the cutting edge of the blade Ensure the gap is uniform along the entire edge of the blade 5 Torque the three 3 M10 X 25 mm bed plate hex bolts to 40 ft lb 54 N m once the gap has been set correctly 6 Rotate the flywheel by hand and note the gap at each blade Again the gap should be no more or less than 1 16 1 8 1 5 3 0 mm at each blade edge 7 Close the upper flywheel housi...

Page 35: ...and to allow rotation of the belt and pulleys 2 Check the belt tension by pressing on it with your finger see Checking Belt Tension below There should not be any free slack in the belt It should be under firm tension 3 If the belt requires more tension the eyebolt connected to the spring can be adjusted by moving the M8 hex nuts see Adjusting Belt Tension below This will stretch the spring and inc...

Page 36: ...hipper for safety 2 Using a 13 mm wrench loosen the lower M8 hex nut that secures the eyebolt to the steel bracket until sufficient tension has been removed from the spring allowing it to be unhooked from the belt tensioner The belt tensioner can now be swung up out of the way allowing for removal of the belt from the pulleys 3 Install the new belt around the pulleys first and then reinstall the s...

Page 37: ...lywheel bearings one 1 infeed roller bearing and two 2 U joints at the ends of the PTO shaft Check each grease point prior to use and add grease as needed WC68 MY2019 Rev A Page of 36 49 27 Sep 2018 Front Flywheel Bearing Rear Flywheel Bearing Infeed Roller Bearing PTO Shaft U Joint 1 PTO Shaft U Joint 2 ...

Page 38: ...ct the control bar linkage from the directional control valve and reconnect it to the tab on the underside of the infeed chute bottom panel 2 Disengage the two 2 latches on the underside of the infeed chute bottom panel 3 Rotate the discharge chute so that it is pointing straight forward 4 Swing the infeed chute up until it is resting on the swingarm WC68 MY2019 Rev A Page of 37 49 27 Sep 2018 1 2...

Page 39: ...ades Refer to page 29 page 31 2 Clean blades and bed plate Excessive clogging 1 Blades are dull 2 Improper bed plate gap 3 PTO RPM below 540 1 Reverse sharpen or replace blades Refer to page 29 page 31 2 Re set bed plate gap Refer to page 32 3 Clean blades and bed plate 4 Adjust tractor RPMs to 540 at output Hydraulic pump belt slipping or squeaking 1 Belt tension not set properly 2 Belt is old wo...

Page 40: ... SPACER 50 6 mm ID X 56 mm OD X 1 5 mm THICK 25 1 0001184 FLYWHEEL SHAFT COVER UCF210 BEARING 26 1 0001795 FLYWHEEL SHAFT COVER PLUG 27 4 0001185 FLYWHEEL BLADE 219 X 69 X 8 mm 28 1 0001189 UPPER FLYWHEEL PULLEY 29 1 0001193 BELT TENSIONING ARM 30 1 0001205 IDLER PULLEY SHAFT 31 1 0001692 BELT TENSIONER PULLEY SINGLE BEARING 32 1 0001192 EXTENSION SPRING 21 mm OD 3 mm WIRE 100 mm LG 33 1 0001796 F...

Page 41: ...OL VALVE 73 1 AX41 V BELT COGGED AX41 74 1 UCFLU204 FLANGE BEARING 2 BOLT UCFL204 20 112 WIDE x 32 H 20 mm BORE 75 2 UCF210 FLANGE BEARING 4 BOLT UFC210 50 143 WD X 55 mm H 50 mm BORE 76 1 6203 2RS BALL BEARING DOUBLE SEALED 6203 2RS 17 mm BORE 40 mm OD 12 mm WIDE 77 1 6205 2RS BALL BEARING SEALED 6205 2RS 25 mm BORE 52 mm OD 15 mm WIDE 78 4 HDW SCREW PPH M5 X 0 8 16 mm LG 79 4 HDW SHCS M5 X 0 8 1...

Page 42: ... M14 X 2 45 mm LG 128 8 HDW LOCK NUT M14 X 2 129 4 HDW HEX BOLT M16 X 2 30 mm LG 130 5 HDW HEX BOLT M16 X 2 40 mm LG 131 2 HDW HEX BOLT M16 X 2 80 mm LG 38 mm LG THD 132 4 HDW SCREW FH HEX DRIVE M16 X 2 60 mm LG 133 5 HDW FLAT WASHER M16 134 2 HDW HEX NUT M16 X 2 135 13 HDW LOCK NUT M16 X 2 136 1 HDW PARALLEL KEY 6 X 6 X 32 mm LG 137 1 HDW PARALLEL KEY 8 X 7 X 25 mm LG 138 1 HDW PARALLEL KEY 10 X ...

Page 43: ...WC68 Operator s Manual EXPLODED ASSEMBLY VIEWS COMPLETE ASSEMBLY WC68 MY2019 Rev A Page of 42 49 27 Sep 2018 121 126 130 133 73 35 110 2X 124 4X 124 2X 117 2X 130 4X 133 4X 129 4X 135 4X 135 4X 36 85 3X ...

Page 44: ...WC68 Operator s Manual BASE WC68 MY2019 Rev A Page of 43 49 27 Sep 2018 5 79 4X 4 149 3 90 4X 87 4X 148 2 99 2X 92 3X 20 2X 147 2X 1 98 ...

Page 45: ...126 9X 89 14 2X 126 2X 125 2X 13 2X 122 2X 12 117 2X 88 2X 74 107 2X 126 2X 83 4X 7 8 9 2X 10 91 10X 123 2X 119 2X 18 19 112 3X 114 3X 106 3X 146 33 6 147 21 141 31 76 139 30 135 32 29 140 2X 34 101 4X 92 4X 105 2X 102 71 149 2X 97 4X 136 150 149 3X 70 17 82 3X 90 3X 149 3X 84 2X 72 91 2X 86 4X 16 93 2X 95 2X 111 2X 115 4X 45 2X 91 4X ...

Page 46: ...WC68 Operator s Manual FLYWHEEL WC68 MY2019 Rev A Page of 45 49 27 Sep 2018 128 4X 26 75 24 132 4X 117 16X 22 23 135 4X 138 24 127 4X 75 128 4X 28 101 2X 108 16X 27 4X 25 ...

Page 47: ...D CHUTE WC68 MY2019 Rev A Page of 46 49 27 Sep 2018 92 5X 104 5X 41 117 144 107 115 44 116 143 142 145 38 118 2X 123 2X 109 2X 104 14X 92 14X 39 2X 37 126 2X 100 2X 100 6X 40 100 3X 100 8X 45 2X 90 8X 85 8X 43 2X 42 117 2X 112 2X ...

Page 48: ...s Manual DISCHARGE CHUTE WC68 MY2019 Rev A Page of 47 49 27 Sep 2018 113 54 96 2X 103 2X 53 103 2X 92 2X 51 2X 103 4X 96 4X 52 2X 97 6X 103 6X 50 2X 46 48 94 4X 93 4X 104 4X 103 6X 92 6X 80 4X 78 4X 47 49 81 4X 80 4X ...

Page 49: ...WC68 Operator s Manual HYDRAULIC LINES WC68 MY2019 Rev A Page of 48 49 27 Sep 2018 63 59 65 57 67 55 61 66 60 64 62 68 58 56 ...

Page 50: ...WC68 Operator s Manual NOTES WC68 MY2019 Rev A Page of 49 49 27 Sep 2018 ...

Page 51: ......

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